DOE OSTI · 1892770
Control rods for light water reactors
Abstract
A control rod for a nuclear fuel assembly is described herein that includes a neutron absorbing material having a melting point greater than 1500° C. that does not form a eutectic with a melting point less than 1500° C., and may further include a cladding material having a melting point greater than 1500° C. The cladding material is selected from the group consisting of silicon carbide, zirconium, a zirconium alloy, tungsten, and molybdenum. The absorbing material is selected from the group consisting of Gd2O3, Ir, B4C, Re, and Hf. The metal cladding or the absorbing material may be coated with an anti-oxidation coating of Cr with or without a Nb intermediate layer.
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Lahoda, Edward J., Boylan, Frank A., Lam, Ho Q., Nissley, Mitchell E., Schneider, Raymond E., Oelrich, Robert L., Ray, Sumit, Pomirleanu, Radu, Karoutas, Zeses, Hone, Michael J.. 2022-03-29. Control rods for light water reactors. https://www.osti.gov/biblio/1892770
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